---  
  - name: stop and disable the mariadb service
    systemd_service:
      state: stopped
      name: mariadb
      enabled: false
    ignore_errors: yes  
    become: true
  
  - name: uninstall mariadb
    yum: 
      name:
        - mariadb-server
        - python3-PyMySQL  
        - mariadb-backup 
        - perl-Digest-MD5
      state: removed
    become: true
  
  - name: delete directories
    file:
      path: "{{ item }}"
      state: absent
    with_items:
     - /var/lib/mysql/data
     - /var/lib/mysql/backup
     - /var/lib/mysql/innodb
     - /var/lib/mysql/logs
     - /var/lib/mysql
    become: true
     
  - name: delete mariadb config file
    file:
      dest: "{{ item }}" 
      state: absent
    with_items:
      - /etc/my.cnf.d/server.cnf
      - /etc/my.cnf.d/client.cnf
      - /etc/my.cnf.d/mysql-clients.cnf
      - /etc/my.cnf  
      - /root/.my.cnf
    become: true

  - name: disable mariadb port
    firewalld:
      port: 3306/tcp
      permanent: true
      immediate: true
      state: disabled
    become: true